Pakistan, Aug. 13 -- Sadie Sink has opened up about playing Jean Grey in Marvel's Spider-Man: Brand New Day. The actress kept her character secret for more than a year. Marvel confirmed her role only after the film's theatrical release. Sink joined the project in 2025 without revealing her character's identity. The studio also reportedly used a secret codename in scripts to protect the major reveal.

Read More: Sadie Sink joins MCU as Jean Grey in major Marvel twist

In the film, Jean Grey initially appears as a mysterious antagonist. She uses her telepathic abilities to possess unsuspecting people. She also infiltrates the Department of Damage Control during the story. However, the 's motives eventually prove more dangerous than Jean's a...